Medically reviewed by Edmund Khoo, DDS Trench mouth is a severe, advanced form of gingivitis (gum disease) that causes ...

Oral' and 'genital' refer to the site of the infection. Either virus can infect either site." HSV-1 most commonly causes oral herpes, sometimes called cold sores or fever blisters, on your lips ...

The flu is a viral infection of the respiratory tract (the lungs, voice box, throat, nose, mouth, and airways). It's a highly contagious disease mostly caused by the viruses influenza A and B ...

Hand, foot and mouth disease cases, a viral infection that causes rashes on the hands, feet and mouth, are on the rise across Japan well into October, despite being typically considered a summer ...